Is 137 square miles as big as Alcatraz?
It's about 4,000 times as big as Alcatraz
The size of Alcatraz is about 0.034 square miles.
(a.k.a. The Rock) (California)
Alcatraz Island measures 0.034 square miles. It is known a part of the Golden Gate National Recreation Area, and has historically served as a lighthouse, fort, military prison, and — most famously — a federal prison.
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